![]() Receptor, stimulus, relay neuron, sensory neuron, motor neuron, effector, response.Receptor, stimulus, sensory neuron, relay neuron, motor neuron, effector, response.Stimulus, receptor, sensory neuron, relay neuron, motor neuron, effector, response.Stimulus, receptor, motor neuron, relay neuron, sensory neuron, effector, response. ![]() Which of the following shows the correct process of a reflex arc? Effectors in the human body are most commonly muscles or glands.Įxample 1: Identifying the Correct Process of a Reflex Arc The effector is the part of the body that carries out the last step in the reflex arc, the response. Motor neurons, also called efferent neurons, are specialized for causing movement or other reactions.įinally, the motor neuron will activate an effector. Relay neurons, also called interneurons or connector neurons, transmit these signals to the appropriate places. Neurons are specialized nervous system cells that carry signals from place to place.įirst, the signal from the receptor activates a sensory neuron, which passes the signal on to a relay neuron, which then passes it to a motor neuron.Īs the name suggests, sensory neurons, also called afferent neurons, are specialized for receiving signals from sensory receptors in the body. The receptor will then activate a series of neurons. Next, our body needs a way to detect the stimulus, and this is called the “receptor.” A receptor is a part of the body that can sense the stimulus. ![]() We have mentioned earlier that a stimulus is any change in the environment that causes a response in the body. Figure 2: A flow chart showing the 7 components of a reflex arc, from the stimulus to the response.įirst, there is the stimulus. ![]()
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